With Britain on heightened alert following Islamist shootings in Paris and Copenhagen, how well prepared are we to deal with a similar attack? Allan Urry discovers how extremists in neighbouring European countries were able to get access to guns and hears concerns about the ready availability of illegal weapons from Eastern Europe and North Africa. So what risk does that pose for the UK? Britain prides itself on tough gun control, but is that enough to prevent determined would-be terrorists getting access to firearms? Reporter: Allan Urry Producer: Gail Champion.